In hot summer, we should pay attention toprotecting ourselves _____ strong sunlight.

I saw Ann a green dress at the school meeting.— I think she looks better red.

In my apartment there are two rooms, _____ is used as a living room.

．No sooner ________ down on bed ________ the telephone rang.

The frequent terrible coal mine accidents killed morethan 1000 people in China last year.—_______.